| UPDATED: 07:52, Tue, Dec 22, 2020 Link copied Sign up for FREE health tips to live a long and happy life SUBSCRIBE Invalid email When you subscribe we will use the information you provide to send you these newsletters. Sometimes they'll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time. While the introduction of the COVID-19vaccine is a step forward, mass testing will remain pivotal to controlling the spread of the virus, according to Christian Stephenson, chief development officer at Medusa 19, the producer of a saliva-based lateral flow COVID test. The test provides results on the spot in 15 minutes.